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    <title>RGraph demo: A Bar chart combined with a Line chart</title>
    
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    <h1>A Bar chart combined with a Line chart</h1>
    

    <canvas id="cvs" width="900" height="350">[No canvas support]</canvas>
    
    <script>
        window.onload = function ()
        {
            var bar = new RGraph.Bar({
                id: 'cvs',
                data: [-2.25,-1.8,0.1,1.95,2.2,2.8,4.3,5.7,6,4.3,5.5,6.5,6.45,5.5,5.4, 5.4],
                options: {
                    gutterBottom: 40,
                    xaxispos: 'center',
                    backgroundGridAutofitNumvlines: 0,
                    backgroundGridAutofitNumHlines: 8,
                    ylabelsCount: 8,
                    numyticks: 8,
                    strokestyle: 'rgba(0,0,0,0)',
                    labels: [
                        'Q1\r\n2009','Q2\r\n2009','Q3\r\n2009','Q4\r\n2009',
                        'Q1\r\n2010','Q2\r\n2010','Q3\r\n2010','Q4\r\n2010',
                        'Q1\r\n2011','Q2\r\n2011','Q3\r\n2011','Q4\r\n2011',
                        'Q1\r\n2012','Q2\r\n2012','Q3\r\n2012','Q4\r\n2012'
                    ],
                    ymax: 8,
                    textAccessible: true
                }
            })



            //var line = new RGraph.Line({
            //    id: 'cvs',
            //    data: [-2,-1,0.5,2.2,2.8,3.2,4.7,5.7,5.9,4.5,6.5,7.5,6.8,5.8,5.8],
            //    colors: ['#000'],
            //    xaxispos: 'center',
            //    ymax: 8,
            //    linewidth: 4,
            //    tickmarks: null
            //})


            var line = new RGraph.Line({
                id: 'cvs',
                data: [-2,-1,0.5,2.2,2.8,3.2,4.7,5.7,5.9,4.5,6.5,7.5,6.8,5.8,5.8,6.0],
                options: {
                    colors: ['#000'],
                    xaxispos: 'center',
                    ymax: 8,
                    linewidth: 4,
                    tickmarks: null,
                    textAccessible: true
                }
            })


            var combo = new RGraph.CombinedChart(bar, line)
                .draw();
        };
    </script>







    <p></p>

    This goes in the documents header:
    <pre class="code">
&lt;script src="RGraph.common.core.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.common.effects.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.line.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.bar.js"&gt;&lt;/script&gt;
</pre>
    
    Put this where you want the chart to show up:
    <pre class="code">
&lt;canvas id="cvs" width="600" height="250"&gt;
    [No canvas support]
&lt;/canvas&gt;
</pre>

    This is the code that generates the chart:
    <pre class="code">
&lt;script&gt;
    window.onload = function ()
    {
        var bar = new RGraph.Bar({
            id: 'cvs',
            data: [-2.25,-1.8,0.1,1.95,2.2,2.8,4.3,5.7,6,4.3,5.5,6.5,6.45,5.5,5.4],
            options: {
                gutterBottom: 40,
                xaxispos: 'center',
                backgroundGridAutofitNumvlines: 0,
                backgroundGridAutofitNumHlines: 8,
                ylabelsCount: 8,
                numyticks: 8,
                strokestyle: 'rgba(0,0,0,0)',
                labels: [
                    'Q1\r\n2009','Q2\r\n2009','Q3\r\n2009','Q4\r\n2009',
                    'Q1\r\n2010','Q2\r\n2010','Q3\r\n2010','Q4\r\n2010',
                    'Q1\r\n2011','Q2\r\n2011','Q3\r\n2011','Q4\r\n2011',
                    'Q1\r\n2012','Q2\r\n2012','Q3\r\n2012','Q4\r\n2012'
                ],
                ymax: 8,
                textAccessible: true
            }
        })



        <span>//var line = new RGraph.Line({
        //    id: 'cvs',
        //    data: [-2,-1,0.5,2.2,2.8,3.2,4.7,5.7,5.9,4.5,6.5,7.5,6.8,5.8,5.8],
        //    colors: ['#000'],
        //    xaxispos: 'center',
        //    ymax: 8,
        //    linewidth: 4,
        //    tickmarks: null
        //})</span>


        var line = new RGraph.Line({
            id: 'cvs',
            data: [-2,-1,0.5,2.2,2.8,3.2,4.7,5.7,5.9,4.5,6.5,7.5,6.8,5.8,5.8],
            options: {
                colors: ['#000'],
                xaxispos: 'center',
                ymax: 8,
                linewidth: 4,
                tickmarks: null,
                textAccessible: true
            }
        })


        var combo = new RGraph.CombinedChart(bar, line)
            .draw();
    };
&lt;/script&gt;
</pre>



    
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